ばあえぼしかいじゃないです
姥烏帽子貝じゃないです
bā eboshikaijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of おばえぼしがい

1. It's not an Ubukazura shell.

Negative
Polite
Casual Register
Usually Written in Kana